tell browser not to prompt the user to store user and password

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@23558 52c4871e-980c-0410-b1e0-e73912ce01f8
fix double free

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@23559 52c4871e-980c-0410-b1e0-e73912ce01f8
fix memleak

git-svn-id: svn://svn.dd-wrt.com/DD-WRT@23560 52c4871e-980c-0410-b1e0-e73912ce01f8